Zimmerman (foot) could embark on a rehab assignment next week, Byron Kerr of MASN Sports reports.

EDGE Analysis

He ran on a treadmill Thursday, and if the rest of his rehab goes well this week, a rehab assignment will be the next step. Matt Adams (oblique) is day-to-day, so Gerardo Parra and Howie Kendrick have been filling in at first base.